Justin Bieber grew a little testy with fans during a concert at Madison Square Garden last night.
But he really had no one to blame but himself.
The very cute singer grabbed a fan's iPhone and had some fun snapping photos of himself and the crowd... only for others in attendance to then start tossing their phones on stage for the same reason.
The Biebs initially laughed it off, but then got legitimately peeved after awhile, threatening to break and/or steal these people's gadgets. He was sort of kidding, but watch below: he was sort of not:
In other Justin Bieber news, it's pretty clear he is back together with Selena Gomez.